It could be a rogue ninja who has a vendetta against Naruto. Since Naruto is now married to Sakura, this antagonist might target Sakura as well to get to Naruto. Maybe this rogue ninja was once defeated by Naruto and now wants to take revenge by causing harm to his new family.
It could be a rogue ninja who has a vendetta against Naruto and wants to target his family. Maybe this ninja was once defeated by Naruto and now wants to take revenge by harming his loved ones, especially his and Sakura's child.
It could be Orochimaru. He might be interested in the baby's unique chakra, thinking he can use it for his experiments or to gain more power.
Love and family are common themes. Since they are married, it focuses on how they build a family and support each other. For instance, they might face difficulties in having children or raising them in a ninja - filled world.
Maybe the main antagonist is an evil organization that has been secretly infiltrating the village. They target Sakura because of her skills and knowledge. They deceive her into believing that her village is the real enemy, causing her to betray her comrades.
Danzo could be a great antagonist. He might see Naruto's new married status as a threat to his power - he could spread false rumors that lead to Naruto's banishment. He would then try to eliminate Naruto and his wife to ensure his own control over the village remains unchallenged.
Yes, there are likely many Naruto and Sakura married fanfics that don't have lemon (adult or sexual) content. You can search on fanfic platforms like FanFiction.net or Archive of Our Own. Filter your search to exclude mature content and look for tags related to Naruto and Sakura's relationship and marriage.
I'm not entirely sure if there is a specific, well - known fanfic exactly with that premise. However, given the popularity of the Naruto series and the creativity of its fan base, it's very likely that someone has written a story about Naruto and Sakura having a wedding in Suna. Fanfics can cover all kinds of wild and interesting ideas, so it wouldn't be a huge surprise.
It could be someone who doesn't want Sakura to become stronger. Maybe a rogue ninja who fears that a more powerful Sakura would be a threat to his plans. This antagonist might try to disrupt Naruto's training of Sakura by setting up various traps or distractions.
Perhaps a new, powerful and mysterious ninja who has a vendetta against the Hidden Leaf Village where Sakura is from. He sees Zetsu as an accomplice of the village and targets both of them, causing chaos and danger in their lives. This new character could bring in a fresh and unexpected element of danger to the fanfic.
There could be a group of mean - spirited fairies. They see Sakura as an intruder in their territory, which might be a beautiful garden that Sakura often visits. To drive her away, they use their fairy magic to turn her into a cat, thinking that she will be less of a threat in that form. And they keep thwarting her attempts to turn back into a human throughout the fanfic.